0.9x-2.1+0.9=0.2(5-2)

Solution for 0.9x-2.1+0.9=0.2(5-2) equation:

Simplifying
0.9x + -2.1 + 0.9 = 0.2(5 + -2)

Reorder the terms:
-2.1 + 0.9 + 0.9x = 0.2(5 + -2)

Combine like terms: -2.1 + 0.9 = -1.2
-1.2 + 0.9x = 0.2(5 + -2)

Combine like terms: 5 + -2 = 3
-1.2 + 0.9x = 0.2(3)

Multiply 0.2 * 3
-1.2 + 0.9x = 0.6

Solving
-1.2 + 0.9x = 0.6

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.9x = 0.6 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.9x = 0.6 + 1.2
0.9x = 0.6 + 1.2

Combine like terms: 0.6 + 1.2 = 1.8
0.9x = 1.8

Divide each side by '0.9'.
x = 2

Simplifying
x = 2